4 Dunsmore Avenue Monks Risborough Buckinghamshire HP27 9JX Data via plota.co.uk
Proposal
Notification under The Town and Country Planning (General Permitted Development) Order 2015, Part 1 of Schedule 2 Class A for: single storey rear extension (depth extending from the original rear wall of 5.62 metres, maximum height 3.34 metres, eaves height 2.39 metres) Data via plota.co.uk
Application progress
Approved on 7 Aug 2026 · Delegated Decision · Last checked 9 Aug 2026
Documents 3
Decision & officer reports 2
Application forms 1
Site constraints 5
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 2
Last sold for £593,000 in October 2016. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in June 2016, the latest held for this property. The building may have changed since. View the certificate
Every application in Buckinghamshire - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Buckinghamshire
- Application type
- Prior Appr
- Postcode
- HP27 9JX
- Received
- 9 Jun 2026
- Validated
- 9 Jun 2026
- Ward
- Princes Risborough
- Parish
- Princes Risborough
- Case officer
- Show
- Target decision
- 20 Jul 2026
- Decision
- Prior Approval Not Required
- Decision date
- 7 Aug 2026
- Decision level
- Delegated Decision
- Applicant
- Show
How this decision compares
Decided in 59 days from validation, about the council's usual 56 days. Approved, as 83% of extensions here are.
Plota live figures for extensions decided by Buckinghamshire in the last twelve months, from validation. Buckinghamshire decision record →
Public comments
No public comments yet.
2 neighbours consulted · Last counted 9 Aug 2026
Consultation & key dates
- Neighbours
- 18 Jun 2026
- Consultation
- 18 Jun 2026
- Comments by
- 9 Jul 2026
- Statutory expiry
- 20 Jul 2026
- Env. assessment
- No
Buckinghamshire is one of the slowest councils in England for householder decisions, ranking #280 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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4 Dunsmore Avenue Monks Risborough Buckinghamshire HP27 9JX
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